Component part of a T-piece



FIG. 1 is a perspective view of a component part of a T-piece, showing my new design, as seen obliquely from above;

FIG. 2 is a perspective view of the component part, as seen obliquely from below;

FIG. 3 is an end elevation of the component part applicable to both ends; and,

FIG. 4 is a side elevation of the component part applicable to both sides. 

The ornamental design for a component part of a T-piece, as shown and described. 